28106032 has 40 divisors (see below), whose sum is σ = 58067712. Its totient is φ = 13132800.

The previous prime is 28106027. The next prime is 28106077. The reversal of 28106032 is 23060182.

It is a junction number, because it is equal to n+sod(n) for n = 28105994 and 28106012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51682 + ... + 52222.

Almost surely, 2^28106032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28106032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29033856).

28106032 is an abundant number, since it is smaller than the sum of its proper divisors (29961680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28106032 is a wasteful number, since it uses less digits than its factorization.

28106032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 28106032 is about 5301.5122370886. The cubic root of 28106032 is about 304.0417186513.

The spelling of 28106032 in words is "twenty-eight million, one hundred six thousand, thirty-two".